C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/28 (2006.01) B01J 20/10 (2006.01) B01J 20/20 (2006.01) B01J 20/22 (2006.01) B01J 20/32 (2006.01) C02F 1/00 (2006.01) C02F 1/58 (2006.01)
Patent
CA 2466169
Solid materials have been developed to remove contaminating metals and organic compounds from aqueous media. The contaminants are removed by passing the aqueous phase through the solid materials which can be in molded, granular, or powder form. The solid materials adsorb the metals and the organics leaving a purified aqueous stream. The materials are sol-gel and or sol-gel and granulated activated carbon (GAC) mixtures. The species-specific adsorption occurs through specific chemical modifications of the solids tailored towards the contaminant(s). The contaminated solid materials can then be disposed of or the contaminant can be removed and the solids recycled.
La présente invention concerne des matières solides qui ont été conçues pour éliminer les métaux contaminants et les composés organiques de milieux aqueux. Selon l'invention, on enlève les contaminants en faisant circuler la phase aqueuse à travers les matières solides de l'invention qui peuvent se présenter sous une forme moulée, granulaire ou pulvérulente. Les matières solides adsorbent les métaux et les composés organiques, laissant un flux aqueux purifié. Les matières de l'invention sont des mélanges sol-gel et/ou des mélanges sol-gel et de charbon actif en grain (CAG).L'adsorption spécifique d'espèce se produit via des modifications chimiques spécifiques des solides conçus en fonction du ou des contaminants visés. On peut alors éliminer les matières solides contaminées ou enlever le contaminant et recycler les solides.
Coleman Sabre J.
Coronado Paul R.
Reynolds John G.
Marks & Clerk
The Regents Of The University Of California
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